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(: Test: K-YearMonthDurationEQ-7                         :)
(: Written by: Frans Englich                             :)
(: Date: 2007-11-22T11:31:21+01:00                       :)
(: Purpose: The xs:yearMonthDuration values -P0M and P0M are not equal. :)
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xs:yearMonthDuration("-P3Y8M") ne xs:yearMonthDuration("P3Y8M")